Navbar dropdown menus don't get hidden under nodes.
Fixed issue with bootstrap compatability.

Originally, we didn't have to add form-control
to the form elements to get them styled, but
with the new version of bootstrap we did. The
past commit since we've upgraded bootstrap, I
had to just temporarily put some old bootstrap
code in the CSS file. That CSS is now gone.
Added basic support for layers.

Layers don't actually work yet, but they will.